Home / 319,329.78-440,665.01-176,095.86

Finding the Fourth Proportional to 319,329.78, 440,665.01 and 176,095.86

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Solution

The fourth proportional to 319,329.78, 440,665.01 and 176,095.86 is: 243,006.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,329.78 : 440,665.01 = 176,095.86 : x
  2. Step 2: Convert to fraction form
    319,329.78/440,665.01 = 176,095.86/x
  3. Step 3: Cross multiply
    319,329.78x = 440,665.01 × 176,095.86
  4. Step 4: Simplify right side
    319,329.78x = 77,599,283,907.86
  5. Step 5: Solve for x
    x = 77,599,283,907.86/319,329.78
  6. Step 6: Final answer
    x = 243,006.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.